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These three types of guns, available in gun stores, were used in three deadly mass shootings in
the past 18 months:

Glock Model 22

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Built: Produced by Glock GmbH of Deustsch-Wagram, Austria

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What it is: A semiautomatic handgun. James Holmes used a Glock 22 handgun along
with two rifles in July when he killed 12 people and wounded 58 others in a movie theater in
Aurora, Colo. The Glock 22 was first introduced in 1990 and fires a .40-caliber bullet.

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Standard magazine capacity:

15 rounds

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Price: About $500

Bushmaster AR-15

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Built: Produced by North Carolina-based Bushmaster. However, different companies
make the AR-15, which was first manufactured by ArmaLite in 1958. AR stands for ArmaLite.

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What it is: Semiautomatic rifle. This gun, or a derivation of it, was what Adam
Lanza used on his 26 victims during the Sandy Hook Elementary School shootings. Media outlets have
identified it as a Bushmaster .223 caliber M4 carbine.

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Standard magazine capacity:

30 rounds

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Price: $1,197 to $1,391

Ruger Mini 14

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Built: Produced by the New Hampshire-headquartered Sturm, Ruger & Co.

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What it is: Lightweight semiautomatic firearm. Sometimes referred to as the “poor
man’s assault rifle.” Anders Behring Breivik used one to kill 69 people in Norway on July 22,
2011.